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748086b7 | 1 | // Copyright (C) 2005, 2009 Free Software Foundation |
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2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
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7 | // any later version. |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
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15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
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17 | |
18 | // 27.6.2.5.3 basic_ostream manipulator inserters | |
19 | // | |
20 | // _GLIBCXX_RESOLVE_LIB_DEFECTS | |
21 | // DR 60. What is a formatted input function? | |
22 | // Inserters for manipulators do not behave as formatted output functions. | |
23 | ||
24 | #include <ostream> | |
25 | #include <stdexcept> | |
26 | #include <testsuite_hooks.h> | |
27 | #include <testsuite_io.h> | |
28 | ||
29 | std::wostream& func1(std::wostream&) | |
30 | { throw std::runtime_error(""); } | |
31 | ||
32 | std::wios& func2(std::wios&) | |
33 | { throw std::runtime_error(""); } | |
34 | ||
35 | std::ios_base& func3(std::ios_base&) | |
36 | { throw std::runtime_error(""); } | |
37 | ||
38 | template<typename T> | |
39 | void test(T& (*f)(T&)) | |
40 | { | |
41 | bool test __attribute__((unused)) = true; | |
42 | ||
43 | __gnu_test::sync_wstreambuf buf; | |
44 | std::wostream os(&buf); | |
45 | ||
46 | __gnu_test::sync_wstreambuf buf_tie; | |
47 | std::wostream os_tie(&buf_tie); | |
48 | ||
49 | // No sentry should be constructed so os.tie()->flush() should not be | |
50 | // called. | |
51 | os.tie(&os_tie); | |
52 | ||
53 | try | |
54 | { | |
55 | os << f; | |
56 | // Exceptions thrown by f should not be caught | |
57 | VERIFY( false ); | |
58 | } | |
59 | catch (std::runtime_error&) | |
60 | { | |
61 | } | |
62 | ||
63 | // Exceptions thrown by f should not cause badbit to be set | |
64 | VERIFY( os.good() ); | |
65 | VERIFY( !buf_tie.sync_called() ); | |
66 | ||
67 | // The manipulator should be called even if !os.good(). | |
68 | os.setstate(std::ios_base::eofbit); | |
69 | ||
70 | try | |
71 | { | |
72 | os << f; | |
73 | // Exceptions thrown by f should not be caught | |
74 | VERIFY( false ); | |
75 | } | |
76 | catch (std::runtime_error&) | |
77 | { | |
78 | } | |
79 | ||
80 | // Exceptions thrown by f should not cause badbit to be set | |
81 | VERIFY( os.rdstate() == std::ios_base::eofbit ); | |
82 | VERIFY( !buf_tie.sync_called() ); | |
83 | } | |
84 | ||
85 | void test05() | |
86 | { | |
87 | test(&func1); | |
88 | test(&func2); | |
89 | test(&func3); | |
90 | } | |
91 | ||
92 | int main() | |
93 | { | |
94 | test05(); | |
95 | return 0; | |
96 | } |